Adam Cayton-Holland Conan

Denver comedian Adam Cayton-Holland made his national stand-up debut on "Conan" last night, finishing out the program with five minutes of jokes that he's honed relentlessly over the last couple years.

As if we needed any more proof that the Denver stand-up scene was thriving: Grawlix comedy troupe member and Denver comic Adam Cayton-Holland will make his long-awaited debut on late night's "Conan" on Tuesday, Jan.